C++ LHASH_OF函数代码示例

static int int_table_check(ENGINE_TABLE **t, int create)
	{
	LHASH_OF(ENGINE_PILE) *lh;

	if(*t) return 1;
	if(!create) return 0;
	if((lh = lh_ENGINE_PILE_new()) == NULL)
		return 0;
	*t = (ENGINE_TABLE *)lh;
	return 1;
	}

static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
{
    ERR_STRING_DATA *p = NULL;
    LHASH_OF(ERR_STRING_DATA) *hash;

    CRYPTO_THREAD_read_lock(err_string_lock);
    hash = get_hash(0, 0);
    if (hash)
        p = lh_ERR_STRING_DATA_retrieve(hash, d);
    CRYPTO_THREAD_unlock(err_string_lock);

    return p;
}

static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
{
    ERR_STRING_DATA *p = NULL;
    LHASH_OF(ERR_STRING_DATA) *hash;

    CRYPTO_r_lock(CRYPTO_LOCK_ERR);
    hash = get_hash(0, 0);
    if (hash)
        p = lh_ERR_STRING_DATA_retrieve(hash, d);
    CRYPTO_r_unlock(CRYPTO_LOCK_ERR);

    return p;
}

static void err_load_strings(int lib, ERR_STRING_DATA *str)
{
    LHASH_OF(ERR_STRING_DATA) *hash;

    CRYPTO_THREAD_write_lock(err_string_lock);
    hash = get_hash(1, 0);
    if (hash) {
        for (; str->error; str++) {
            if (lib)
                str->error |= ERR_PACK(lib, 0, 0);
            (void)lh_ERR_STRING_DATA_insert(hash, str);
        }
    }
    CRYPTO_THREAD_unlock(err_string_lock);
}

void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
{
    LHASH_OF(ERR_STRING_DATA) *hash;

    CRYPTO_THREAD_run_once(&err_string_init, do_err_strings_init);

    CRYPTO_THREAD_write_lock(err_string_lock);
    hash = get_hash(0, 0);
    if (hash) {
        for (; str->error; str++) {
            if (lib)
                str->error |= ERR_PACK(lib, 0, 0);
            (void)lh_ERR_STRING_DATA_delete(hash, str);
        }
    }
    CRYPTO_THREAD_unlock(err_string_lock);
}

int
main(void)
	{
	LHASH_OF(CONF_VALUE) *conf;
	long eline;
	char *s;

#ifdef USE_WIN32
	CONF_set_default_method(CONF_WIN32);
#endif
	conf=CONF_load(NULL,"ssleay.cnf",&eline);
	if (conf == NULL)
		{
		ERR_load_crypto_strings();
		printf("unable to load configuration, line %ld\n",eline);
		ERR_print_errors_fp(stderr);
		exit(1);
		}
	lh_stats((_LHASH *)conf,stdout);
	lh_node_stats((_LHASH *)conf,stdout);
	lh_node_usage_stats((_LHASH *)conf,stdout);

	s=CONF_get_string(conf,NULL,"init2");
	printf("init2=%s\n",(s == NULL)?"NULL":s);

	s=CONF_get_string(conf,NULL,"cipher1");
	printf("cipher1=%s\n",(s == NULL)?"NULL":s);

	s=CONF_get_string(conf,"s_client","cipher1");
	printf("s_client:cipher1=%s\n",(s == NULL)?"NULL":s);

	printf("---------------------------- DUMP ------------------------\n");
	CONF_dump_fp(conf, stdout);

	exit(0);
	}

typedef struct
{
	char *section;
	char *name;
	char *value;
} CONF_VALUE;

DECLARE_STACK_OF(CONF_VALUE);
DECLARE_LHASH_OF(CONF_VALUE);

struct conf_st;
struct conf_method_st;
typedef struct conf_method_st CONF_METHOD;

int CONF_set_default_method(CONF_METHOD *meth);
void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash);
LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
		long *eline);
#ifndef OPENSSL_NO_FP_API
LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
		long *eline);
#endif /* ifndef OPENSSL_NO_FP_API */
LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp, long *eline);
STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
		const char *section);
char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
		const char *name);
long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
		const char *name);
void CONF_free(LHASH_OF(CONF_VALUE) *conf);
int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out);

int main(int argc, char *argv[])
{
    FUNCTION f, *fp;
    LHASH_OF(FUNCTION) *prog = NULL;
    char **copied_argv = NULL;
    char *p, *pname;
    char buf[1024];
    const char *prompt;
    ARGS arg;
    int first, n, i, ret = 0;

    arg.argv = NULL;
    arg.size = 0;

    /* Set up some of the environment. */
    default_config_file = make_config_name();
    bio_in = dup_bio_in(FORMAT_TEXT);
    bio_out = dup_bio_out(FORMAT_TEXT);
    bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);

#if defined( OPENSSL_SYS_VMS)
    copied_argv = argv = copy_argv(&argc, argv);
#endif

    p = getenv("OPENSSL_DEBUG_MEMORY");
    if (p == NULL)
        /* if not set, use compiled-in default */
        ;
    else if (strcmp(p, "off") != 0) {
        CRYPTO_malloc_debug_init();
        CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
    } else {
        CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
    }
    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
    CRYPTO_set_locking_callback(lock_dbg_cb);

    if (getenv("OPENSSL_FIPS")) {
#ifdef OPENSSL_FIPS
        if (!FIPS_mode_set(1)) {
            ERR_load_crypto_strings();
            ERR_print_errors(bio_err);
            return 1;
        }
#else
        BIO_printf(bio_err, "FIPS mode not supported.\n");
        return 1;
#endif
    }

    if (!apps_startup())
        goto end;

    prog = prog_init();
    pname = opt_progname(argv[0]);

    /* first check the program name */
    f.name = pname;
    fp = lh_FUNCTION_retrieve(prog, &f);
    if (fp != NULL) {
        argv[0] = pname;
        ret = fp->func(argc, argv);
        goto end;
    }

    /* If there is stuff on the command line, run with that. */
    if (argc != 1) {
        argc--;
        argv++;
        ret = do_cmd(prog, argc, argv);
        if (ret < 0)
            ret = 0;
        goto end;
    }

    /* ok, lets enter interactive mode */
    for (;;) {
        ret = 0;
        /* Read a line, continue reading if line ends with \ */
        for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
            prompt = first ? "OpenSSL> " : "> ";
            p[0] = '\0';
#ifndef READLINE
            fputs(prompt, stdout);
            fflush(stdout);
            if (!fgets(p, n, stdin))
                goto end;
            if (p[0] == '\0')
                goto end;
            i = strlen(p);
            if (i <= 1)
                break;
            if (p[i - 2] != '\\')
                break;
            i -= 2;
            p += i;
            n -= i;
#else
            {
                extern char *readline(const char *);
//.........这里部分代码省略.........

# define FORMAT "%-18s"
# define COLUMNS 4
#endif

/* Special sentinel to exit the program. */
#define EXIT_THE_PROGRAM (-1)

/*
 * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
 * the base prototypes (we cast each variable inside the function to the
 * required type of "FUNCTION*"). This removes the necessity for
 * macro-generated wrapper functions.
 */
DECLARE_LHASH_OF(FUNCTION);
static LHASH_OF(FUNCTION) *prog_init(void);
static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
static void list_pkey(void);
static void list_type(FUNC_TYPE ft);
static void list_disabled(void);
char *default_config_file = NULL;

static CONF *config = NULL;
BIO *bio_in = NULL;
BIO *bio_out = NULL;
BIO *bio_err = NULL;

static int apps_startup()
{
#ifdef SIGPIPE
    signal(SIGPIPE, SIG_IGN);
#endif

int
main(int argc, char **argv)
{
	ARGS arg;
#define PROG_NAME_SIZE	39
	char pname[PROG_NAME_SIZE + 1];
	FUNCTION f, *fp;
	const char *prompt;
	char buf[1024];
	char *to_free = NULL;
	int n, i, ret = 0;
	char *p;
	LHASH_OF(FUNCTION) * prog = NULL;
	long errline;

	arg.data = NULL;
	arg.count = 0;

	if (pledge("stdio cpath wpath rpath inet dns proc flock tty", NULL) == -1) {
		fprintf(stderr, "openssl: pledge: %s\n", strerror(errno));
		exit(1);
	}

	bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
	if (bio_err == NULL) {
		fprintf(stderr, "openssl: failed to initialise bio_err\n");
		exit(1);
	}

	if (BIO_sock_init() != 1) {
		BIO_printf(bio_err, "BIO_sock_init failed\n");
		exit(1);
	}

	CRYPTO_set_locking_callback(lock_dbg_cb);

	openssl_startup();

	/* Lets load up our environment a little */
	p = getenv("OPENSSL_CONF");
	if (p == NULL) {
		p = to_free = make_config_name();
		if (p == NULL) {
			BIO_printf(bio_err, "error making config file name\n");
			goto end;
		}
	}

	default_config_file = p;

	config = NCONF_new(NULL);
	i = NCONF_load(config, p, &errline);
	if (i == 0) {
		if (ERR_GET_REASON(ERR_peek_last_error()) ==
		    CONF_R_NO_SUCH_FILE) {
			BIO_printf(bio_err,
			    "WARNING: can't open config file: %s\n", p);
			ERR_clear_error();
			NCONF_free(config);
			config = NULL;
		} else {
			ERR_print_errors(bio_err);
			NCONF_free(config);
			exit(1);
		}
	}

	if (!load_config(bio_err, NULL)) {
		BIO_printf(bio_err, "failed to load configuration\n");
		goto end;
	}

	prog = prog_init();

	/* first check the program name */
	program_name(argv[0], pname, sizeof pname);

	f.name = pname;
	fp = lh_FUNCTION_retrieve(prog, &f);
	if (fp != NULL) {
		argv[0] = pname;

		single_execution = 1;
		ret = fp->func(argc, argv);
		goto end;
	}
	/*
	 * ok, now check that there are not arguments, if there are, run with
	 * them, shifting the ssleay off the front
	 */
	if (argc != 1) {
		argc--;
		argv++;

		single_execution = 1;
		ret = do_cmd(prog, argc, argv);
		if (ret < 0)
			ret = 0;
		goto end;
	}
//.........这里部分代码省略.........

 *
 */

#include <stdio.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/conf.h>
#include <openssl/conf_api.h>
#include <openssl/lhash.h>

static CONF_METHOD *default_CONF_method = NULL;

/* Init a 'CONF' structure from an old LHASH */

void
CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
{
	if (default_CONF_method == NULL)
		default_CONF_method = NCONF_default();
	default_CONF_method->init(conf);
	conf->data = hash;
}

/* The following section contains the "CONF classic" functions,
   rewritten in terms of the new CONF interface. */

int
CONF_set_default_method(CONF_METHOD *meth)
{
	default_CONF_method = meth;
	return 1;

int main(int Argc, char *ARGV[])
{
    ARGS arg;
#define PROG_NAME_SIZE	39
    char pname[PROG_NAME_SIZE+1];
    FUNCTION f,*fp;
    MS_STATIC const char *prompt;
    MS_STATIC char buf[1024];
    char *to_free=NULL;
    int n,i,ret=0;
    int argc;
    char **argv,*p;
    LHASH_OF(FUNCTION) *prog=NULL;
    long errline;

#if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    /* 2011-03-22 SMS.
     * If we have 32-bit pointers everywhere, then we're safe, and
     * we bypass this mess, as on non-VMS systems.  (See ARGV,
     * above.)
     * Problem 1: Compaq/HP C before V7.3 always used 32-bit
     * pointers for argv[].
     * Fix 1: For a 32-bit argv[], when we're using 64-bit pointers
     * everywhere else, we always allocate and use a 64-bit
     * duplicate of argv[].
     * Problem 2: Compaq/HP C V7.3 (Alpha, IA64) before ECO1 failed
     * to NULL-terminate a 64-bit argv[].  (As this was written, the
     * compiler ECO was available only on IA64.)
     * Fix 2: Unless advised not to (VMS_TRUST_ARGV), we test a
     * 64-bit argv[argc] for NULL, and, if necessary, use a
     * (properly) NULL-terminated (64-bit) duplicate of argv[].
     * The same code is used in either case to duplicate argv[].
     * Some of these decisions could be handled in preprocessing,
     * but the code tends to get even uglier, and the penalty for
     * deciding at compile- or run-time is tiny.
     */
    char **Argv = NULL;
    int free_Argv = 0;

    if ((sizeof( _Argv) < 8)        /* 32-bit argv[]. */
# if !defined( VMS_TRUST_ARGV)
            || (_Argv[ Argc] != NULL)      /* Untrusted argv[argc] not NULL. */
# endif
       )
    {
        int i;
        Argv = OPENSSL_malloc( (Argc+ 1)* sizeof( char *));
        if (Argv == NULL)
        {
            ret = -1;
            goto end;
        }
        for(i = 0; i < Argc; i++)
            Argv[i] = _Argv[i];
        Argv[ Argc] = NULL;     /* Certain NULL termination. */
        free_Argv = 1;
    }
    else
    {
        /* Use the known-good 32-bit argv[] (which needs the
         * type cast to satisfy the compiler), or the trusted or
         * tested-good 64-bit argv[] as-is. */
        Argv = (char **)_Argv;
    }
#endif /* defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) */

    arg.data=NULL;
    arg.count=0;

    if (bio_err == NULL)
        if ((bio_err=BIO_new(BIO_s_file())) != NULL)
            BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

    if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */
    {
        if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))
        {
            CRYPTO_malloc_debug_init();
            CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
        }
        else
        {
            /* OPENSSL_DEBUG_MEMORY=off */
            CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
        }
    }
    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

#if 0
    if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
#endif
    {
        CRYPTO_set_locking_callback(lock_dbg_cb);
    }

    apps_startup();

    /* Lets load up our environment a little */
    p=getenv("OPENSSL_CONF");
    if (p == NULL)
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    FUNCTION f, *fp;
    LHASH_OF(FUNCTION) *prog = NULL;
    char **copied_argv = NULL;
    char *p, *pname;
    char buf[1024];
    const char *prompt;
    ARGS arg;
    int first, n, i, ret = 0;

    arg.argv = NULL;
    arg.size = 0;

    /* Set up some of the environment. */
    default_config_file = make_config_name();
    bio_in = dup_bio_in(FORMAT_TEXT);
    bio_out = dup_bio_out(FORMAT_TEXT);
    bio_err = dup_bio_err(FORMAT_TEXT);

#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
    copied_argv = argv = copy_argv(&argc, argv);
#elif defined(_WIN32)
    /*
     * Replace argv[] with UTF-8 encoded strings.
     */
    win32_utf8argv(&argc, &argv);
#endif

    p = getenv("OPENSSL_DEBUG_MEMORY");
    if (p != NULL && strcmp(p, "on") == 0)
        CRYPTO_set_mem_debug(1);
    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

    if (getenv("OPENSSL_FIPS")) {
        BIO_printf(bio_err, "FIPS mode not supported.\n");
        return 1;
    }

    if (!apps_startup()) {
        BIO_printf(bio_err,
                   "FATAL: Startup failure (dev note: apps_startup() failed)\n");
        ERR_print_errors(bio_err);
        ret = 1;
        goto end;
    }

    prog = prog_init();
    pname = opt_progname(argv[0]);

    /* first check the program name */
    f.name = pname;
    fp = lh_FUNCTION_retrieve(prog, &f);
    if (fp != NULL) {
        argv[0] = pname;
        ret = fp->func(argc, argv);
        goto end;
    }

    /* If there is stuff on the command line, run with that. */
    if (argc != 1) {
        argc--;
        argv++;
        ret = do_cmd(prog, argc, argv);
        if (ret < 0)
            ret = 0;
        goto end;
    }

    /* ok, lets enter interactive mode */
    for (;;) {
        ret = 0;
        /* Read a line, continue reading if line ends with \ */
        for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
            prompt = first ? "OpenSSL> " : "> ";
            p[0] = '\0';
#ifndef READLINE
            fputs(prompt, stdout);
            fflush(stdout);
            if (!fgets(p, n, stdin))
                goto end;
            if (p[0] == '\0')
                goto end;
            i = strlen(p);
            if (i <= 1)
                break;
            if (p[i - 2] != '\\')
                break;
            i -= 2;
            p += i;
            n -= i;
#else
            {
                extern char *readline(const char *);
                extern void add_history(const char *cp);
                char *text;

                text = readline(prompt);
                if (text == NULL)
                    goto end;
//.........这里部分代码省略.........

	};
#endif


/* Define the predeclared (but externally opaque) "ERR_FNS" type */
struct st_ERR_FNS
	{
	/* Works on the "error_hash" string table */
	LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create);
	void (*cb_err_del)(void);
	ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *);
	ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *);
	ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *);
	/* Works on the "thread_hash" error-state table */
	LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create);
	void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash);
	ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *);
	ERR_STATE *(*cb_thread_set_item)(ERR_STATE *);
	void (*cb_thread_del_item)(const ERR_STATE *);
	/* Returns the next available error "library" numbers */
	int (*cb_get_next_lib)(void);
	};

/* Predeclarations of the "err_defaults" functions */
static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create);
static void int_err_del(void);
static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *);
static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *);
static LHASH_OF(ERR_STATE) *int_thread_get(int create);
static void int_thread_release(LHASH_OF(ERR_STATE) **hash);

/* Part of the code in here was originally in conf.c, which is now removed */

#ifndef CONF_DEBUG
# undef NDEBUG                  /* avoid conflicting definitions */
# define NDEBUG
#endif

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/conf.h>
#include <openssl/conf_api.h>
#include "e_os.h"

static void value_free_hash_doall_arg(CONF_VALUE *a,
                                      LHASH_OF(CONF_VALUE) *conf);
static void value_free_stack_doall(CONF_VALUE *a);
static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE,
                                    LHASH_OF(CONF_VALUE))
static IMPLEMENT_LHASH_DOALL_FN(value_free_stack, CONF_VALUE)

/* Up until OpenSSL 0.9.5a, this was get_section */
CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
{
    CONF_VALUE *v, vv;

    if ((conf == NULL) || (section == NULL))
        return (NULL);
    vv.name = NULL;
    vv.section = (char *)section;
    v = lh_CONF_VALUE_retrieve(conf->data, &vv);